... 1997). ... Changes to the light curve shapes of the objects may also occur, and in total their calculations suggest that distances could drift by as much as 0.3 mag in B and 0.15 mag in V . ... 987 0.953 0.904 0.938 0.964 0.884 0.878 0.924 0.864 0.702 0.440 0.237 0.121 0.064 0.041 0.027 0.017 0.013 0.009 0.007 0.004 0.002 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 S (B45) j 0.000 0.000 0.000 0.000 ...

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• http://www.mso.anu.edu.au/pfrancis/tree/South_Africa.pdf

Rep ort by the ESA­ESO Working Group on Extra-Solar Planets 4 March 2005 Summary Various techniques are being used to search for extra-solar planetary signatures, including accurate measurement of radial velocity and positional (astrometric) displacements, gravitational microlensing, and photometric transits. Planned space experiments promise a considerable increase in the detections and statistical knowledge arising especially from transit and astrometric measurements over the years 2005­15, with some